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ADUM5402WCRWZ Datasheet(PDF) 1 Page - Analog Devices

No. de pieza ADUM5402WCRWZ
Descripción Electrónicos  Quad-Channel, 2.5 kV Isolators with Integrated DC-to-DC Converter
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Página de inicio  http://www.analog.com
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ADUM5402WCRWZ Datasheet(HTML) 1 Page - Analog Devices

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Quad-Channel, 2.5 kV Isolators with
Integrated DC-to-DC Converter
Data Sheet
ADuM5401/ADuM5402/ADuM5403/ADuM5404
Rev. C
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2008–2012 Analog Devices, Inc. All rights reserved.
FEATURES
isoPower integrated, isolated dc-to-dc converter
Regulated 3.3 V or 5.0 V output
Up to 500 mW output power
Quad dc-to-25 Mbps (NRZ) signal isolation channels
16-lead SOIC package with 7.6 mm creepage
High temperature operation: 105°C maximum
High common-mode transient immunity: >25 kV/μs
Safety and regulatory approvals
UL recognition
2500 V rms for 1 minute per UL 1577
CSA Component Acceptance Notice #5A
VDE certificate of conformity (pending)
IEC 60747-5-2 (VDE 0884, Part 2)
VIORM = 560 V peak
APPLICATIONS
RS-232/RS-422/RS-485 transceivers
Industrial field bus isolation
Power supply start-up bias and gate drives
Isolated sensor interfaces
Industrial PLCs
GENERAL DESCRIPTION
The ADuM5401/ADuM5402/ADuM5403/ADuM54041 are
quad-channel digital isolators with isoPower®, an integrated,
isolated dc-to-dc converter. Based on the Analog Devices, Inc.,
i
Coupler® technology, the dc-to-dc converter provides up to
500 mW of regulated, isolated power at either 5.0 V or 3.3 V
from a 5.0 V input supply, or at 3.3 V from a 3.3 V supply at the
power levels shown in Table 1. These devices eliminate the need
for a separate, isolated dc-to-dc converter in low power, isolated
designs. The iCoupler chip scale transformer technology is used
to isolate the logic signals and for the power and feedback paths
in the dc-to-dc converter. The result is a small form factor, total
isolation solution.
The ADuM5401/ADuM5402/ADuM5403/ADuM5404 isolators
provide four independent isolation channels in a variety of
channel configurations and data rates (see the Ordering Guide
for more information).
iso
Power uses high frequency switching elements to transfer
power through its transformer. Special care must be taken
during printed circuit board (PCB) layout to meet emissions
standards. See the AN-0971 Application Note for board layout
recommendations.
FUNCTIONAL BLOCK DIAGRAMS
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
OSC
RECT
4 CHANNEL iCOUPLER CORE
VDD1
REG
GND1
VIA/VOA
VIB/VOB
VIC/VOC
VOD
RCOUT
GND1
VISO
GNDISO
VOA/VIA
VOB/VIB
VOC/VIC
VID
VSEL
GNDISO
ADuM5401/ADuM5402/
ADuM5403/ADuM5404
Figure 1.
3
4
5
6
14
13
12
11
ADuM5401
VIA
VIB
VOA
VOB
VIC
VOC
VOD
VID
Figure 2. ADuM5401
3
4
5
6
14
13
12
11
ADuM5402
VIA
VIB
VOA
VOB
VOC
VIC
VOD
VID
Figure 3. ADuM5402
3
4
5
6
14
13
12
11
ADuM5403
VIA
VOB
VOA
VIB
VOC
VIC
VOD
VID
Figure 4. ADuM5403
3
4
5
6
14
13
12
11
ADuM5404
VOA
VOB
VIA
VIB
VOC
VIC
VOD
VID
Figure 5. ADuM5404
Table 1. Power Levels
Input Voltage (V)
Output Voltage (V)
Output Power (mW)
5.0
5.0
500
5.0
3.3
330
3.3
3.3
200
1 Protected by U.S. Patents 5,952,849; 6,873,065; 6,903,578; and 7,075,329. Other patents are pending.


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